Package DSP.filter

Examples of DSP.filter.LagrangePolynomial.evaluate()


      LagrangePolynomial LP = constructInterpolatingPolynomial( G, delta );
   
      //  Compute current approximant (GA) and error function (E) on grid
   
      for ( int i = 0;  i < G.gridSize;  i++ ) {
        GA[i] = LP.evaluate( G.X[i] );
        E[i= GA[i] - G.H[i];
      }
     
      // Search for new extrema starting from old extrema
     
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      log2nfft++;
    }
    double[] X        = new double[ nfft ];
    double[] x        = new double[ nfft ];
    for ( int i = 0;  i <= nfft/2;  i++ ) {
      X[i] = (double) LP.evaluate( Math.cos( 2.0*Math.PI*i/nfft ) );
    }
   
    RDFT dft = new RDFT( log2nfft );
    dft.evaluateInverse( X, x );
   
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